// northPanel.add(new JLabel("列名过滤前缀:"));
// this.filterColumnNamePrefixField = new JTextField();
// this.filterColumnNamePrefixField.setPreferredSize(new Dimension(50, 29));
// northPanel.add(this.filterColumnNamePrefixField);
this.queryBtn = new JButton(new MetadataAdapter(this));
this.queryBtn.setPreferredSize(new Dimension(80, 30));
this.queryBtn.setText("查询");
this.queryBtn.setIcon(IconUtils.createImageIcon(ICON_CLASS_PATH + "query.png"));
this.queryBtn.setActionCommand(MetadataAdapter.QUERY_METADATA_COMMAND);
northPanel.add(this.queryBtn);